grammar.pest

file = { SOI ~ (delimiter | request)* ~ EOI}

request = {	
	request_line ~
    headers? ~
    NEWLINE ~
    body?
}

request_line = _{ method ~ " "+ ~ uri ~ " "+ ~ "HTTP/" ~ version ~ NEWLINE }
uri = { (!whitespace ~ ANY)+ }
method = { ("GET" | "DELETE" | "POST" | "PUT") }
version = { (ASCII_DIGIT | ".")+ }
whitespace = _{ " " | "\t" }

headers = { header+ }
header = { header_name ~ ":" ~ whitespace ~ header_value ~ NEWLINE }
header_name = { (!(NEWLINE | ":") ~ ANY)+ }
header_value = { (!NEWLINE ~ ANY)+ }

body = { (!delimiter ~ ANY)+ }
delimiter = { "#"{3} ~ NEWLINE+ }